6mm Trillion Chatham Created Alexandrite Bezel Solitaire Platinum Engagement Ring
6mm Trillion Chatham Created Alexandrite Bezel Solitaire Platinum Engagement Ring
5.0 / 5.0
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A 6mm/0.93ct lab-created Alexandrite, cut in a trillion shape, is elegantly set in a low-profile platinum solitaire engagement ring.
The band starts at the setting with a knife edge which fades into a comfortable flat-shaped ring shank. At the bottom, the ring is about 3.5mm wide tapering towards 2mm at the knife edge.
The ring is finished with a mirror polish (satin brushed available if requested). The created gem is set sideways securely in a hand-carved bezel setting. This low-profile ring design has a height above the finger of about 4.5mm.
Alexandrite Specification:
- Size: 6mm/0.93ct
- Lab Grown by Chatham Gems
Available in sizes 4 to 9, larger sizes may vary in price.
This ring is ready to ship in size 7.5 (17.7 mm ID) and can be sized between US sizes 5 to 9. Allow extra time for sizing.
For other ring sizes, metal options, and more alexandrite size options see this made-to-order listing.
Matching contoured wedding bands sold separately. Shown here with a Ruby Corinne band, diamond Phoebe Ring and a Velda Ring with Alexandrites.
About lab-created Alexandrites: Duplicating nature's environment, a created alexandrite stone is grown over time with identical physical, chemical, and optical properties to those found in nature. Sought after for its sensational color-changing quality, a high-quality alexandrite will show a bluish-green color in the daylight and a purplish-red color in artificial light. These variations in color will only be evident when your created alexandrite is exposed to different light sources.
Ring Size Chart
Ring Size Chart
Request a Free Ring Sizer
We are happy to send you a complimentary ring sizer so that you can easily measure your ring size at home. Ring sizers shipped to US addresses only and will arrive within 5 to 10 business days.
Ring Size Chart
All Nodeform rings are specified in standard US sizes. View the conversion chart to see how US sizes map to finger diameter, as well as how US sizes convert to Canada, Australia, UK and other countries.
View the International Ring Size Chart
Inside Diameter in mm |
US, Canada, Mexico |
UK, Australia, Ireland, New Zealand, South Africa |
France |
Germany, Russia, Ukraine, Asia |
India, China, Japan, South America, Turkey, Israel |
Italy, Spain, Netherlands, Switzerland |
|
||||||
14.07 |
3 |
F |
44 |
14 |
4 |
4 |
14.27 |
3.25 |
F 3/4 |
44.625 |
14.25 |
--- |
4.625 |
14.48 |
3.5 |
G 1/4 |
45.25 |
14.5 |
5 |
5.25 |
14.68 |
3.75 |
H |
45.875 |
14.75 |
6 |
5.875 |
14.88 |
4 |
H 1/2 |
46.5 |
15 |
7 |
6.5 |
15.09 |
4.25 |
I |
47.125 |
15.25 |
--- |
7.125 |
15.29 |
4.5 |
I 1/2 |
47.75 |
15.5 |
8 |
7.75 |
15.49 |
4.75 |
J 1/4 |
48.375 |
--- |
--- |
8.375 |
15.70 |
5 |
J 1/2 |
49 |
15.75 |
9 |
9 |
15.90 |
5.25 |
K 1/4 |
49.625 |
16 |
--- |
9.625 |
16.10 |
5.5 |
L |
50.25 |
16.25 |
10 |
10.25 |
16.31 |
5.75 |
L 1/4 |
50.875 |
--- |
11 |
10.875 |
16.51 |
6 |
M |
51.5 |
16.5 |
12 |
11.5 |
16.71 |
6.25 |
M 1/2 |
52.125 |
16.75 |
--- |
12.125 |
16.92 |
6.5 |
N |
52.75 |
17 |
13 |
12.75 |
17.12 |
6.75 |
N 1/2 |
53.375 |
--- |
--- |
13.375 |
17.32 |
7 |
O |
54 |
17.25 |
14 |
14 |
17.53 |
7.25 |
O 1/2 |
54.625 |
17.5 |
--- |
14.625 |
17.75 |
7.5 |
P |
55.25 |
17.75 |
15 |
15.25 |
17.93 |
7.75 |
P 1/2 |
55.875 |
--- |
--- |
15.875 |
18.14 |
8 |
Q |
56.5 |
18 |
16 |
16.5 |
18.34 |
8.25 |
Q 1/2 |
57.125 |
18.25 |
--- |
7.125 |
18.54 |
8.5 |
Q 3/4 |
57.75 |
18.5 |
17 |
17.75 |
18.75 |
8.75 |
R 1/4 |
58.375 |
18.75 |
--- |
18.375 |
18.95 |
9 |
R 3/4 |
59 |
19 |
18 |
19 |
19.15 |
9.25 |
S 1/4 |
59.625 |
19.25 |
--- |
19.625 |
19.35 |
9.5 |
S 3/4 |
60.25 |
19.5 |
19 |
20.25 |
19.56 |
9.75 |
T 1/4 |
60.875 |
19.75 |
--- |
20.875 |
19.76 |
10 |
T 1/2 |
61.5 |
20 |
20 |
21.25 |
19.96 |
10.25 |
U |
62.125 |
20.25 |
21 |
22.125 |
20.17 |
10.5 |
U 1/2 |
62.75 |
20.5 |
22 |
22.75 |
20.37 |
10.75 |
V 1/4 |
63.375 |
--- |
--- |
23.375 |
20.57 |
11 |
V 1/2 |
64 |
20.75 |
23 |
24 |
20.78 |
11.25 |
W 1/4 |
64.625 |
--- |
--- |
24.625 |
20.98 |
11.5 |
W 3/4 |
65.25 |
21 |
24 |
25.25 |
21.18 |
11.75 |
X 1/4 |
65.875 |
--- |
--- |
25.875 |
21.39 |
12 |
Y |
66.5 |
21.25 |
25 |
26.5 |
21.59 |
12.25 |
Y 1/2 |
67.125 |
21.5 |
--- |
27.125 |
21.79 |
12.5 |
Z |
67.75 |
21.75 |
26 |
27.75 |
22.0 |
12.75 |
Z + 1/2 |
68.375 |
--- |
--- |
28.375 |
22.20 |
13 |
Z + 1 |
69 |
22 |
27 |
29 |
Helpful sizing tips
- Fingers on a dominant hand are generally slightly larger than on non-dominant hands— make sure you measure the right finger on the correct hand!
- Rings with wider bands will fit a bit tighter. Consider selecting one 1/4 to 1/2 size up from your normal ring size.If you plan to measure one of your partner's rings, try to measure one with a similar width as the ring you want to purchase.
- For stacking rings: for a more comfortable fit, consider selecting one 1/4 to 1/2 size up from your normal ring size.
- Make sure the finger is at normal body temperature — fingers can shrink or expand when hot or cold.
- Your fingers tend to change size throughout the day — the best time to measure your finger is the end of the day.
- If your knuckle is bigger, take 2 measurements and choose a size in between — ring needs to fit over knuckle but not be too loose or it will shift around.
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This ring is absolutely gorgeous! I was looking for an eco friendly alternative to a diamond and found this. I also got the band pictured with the engagement ring. Konstanze was so helpful, answering all my questions quickly. And I got my rings almost two weeks earlier than originally expected. I can hardly wait to add the band to the ring!

Made with recycled precious metals
We use recycled metals derived from post-consumer sources, including recycled jewelry and industrial products. The goal is to reduce or even better eliminate the need for additional mining of precious metals. Learn more about the different precious metals we use in our jewelry and their pros and cons.

Ready to gift or enjoy
Your jewelry comes in a lovely gift box, ready to gift, propose or enjoy.